At Retirement Cumulative savings? $ Years in retirement? Other Factors Rate of return? % Tax rate? % Printer-friendly version Monthly Income at Retirement Before Taxes After Taxes Chart Table Savings at Retirement Before Taxes After Taxes Monthly Income Submit What monthly income will your retirement savings provide? The number of years you will need it to last, the expected rate of return on your outstanding savings balance and the rate at which withdrawals from your savings account will be taxed, will all be determining factors.